# Uses of Interface
java.util.function.IntBinaryOperator

Packages that use IntBinaryOperator
Package
Description
java.util
Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
java.util.concurrent
Utility classes commonly useful in concurrent programming.
java.util.concurrent.atomic
A small toolkit of classes that support lock-free thread-safe programming on single variables.
java.util.stream
Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.

## Uses of IntBinaryOperator in java.util

Methods in java.util with parameters of type IntBinaryOperator
Modifier and Type
Method
Description
`static void`
Arrays.`parallelPrefix(int[] array, int fromIndex, int toIndex, IntBinaryOperator op)`
Performs `Arrays.parallelPrefix(int[], IntBinaryOperator)` for the given subrange of the array.
`static void`
Arrays.`parallelPrefix(int[] array, IntBinaryOperator op)`
Cumulates, in parallel, each element of the given array in place, using the supplied function.

## Uses of IntBinaryOperator in java.util.concurrent

Methods in java.util.concurrent with parameters of type IntBinaryOperator
Modifier and Type
Method
Description
`int`
ConcurrentHashMap.`reduceEntriesToInt(long parallelismThreshold, ToIntFunction<Map.Entry<K,V>> transformer, int basis, IntBinaryOperator reducer)`
Returns the result of accumulating the given transformation of all entries using the given reducer to combine values, and the given basis as an identity value.
`int`
ConcurrentHashMap.`reduceKeysToInt(long parallelismThreshold, ToIntFunction<? super K> transformer, int basis, IntBinaryOperator reducer)`
Returns the result of accumulating the given transformation of all keys using the given reducer to combine values, and the given basis as an identity value.
`int`
ConcurrentHashMap.`reduceToInt(long parallelismThreshold, ToIntBiFunction<? super K,? super V> transformer, int basis, IntBinaryOperator reducer)`
Returns the result of accumulating the given transformation of all (key, value) pairs using the given reducer to combine values, and the given basis as an identity value.
`int`
ConcurrentHashMap.`reduceValuesToInt(long parallelismThreshold, ToIntFunction<? super V> transformer, int basis, IntBinaryOperator reducer)`
Returns the result of accumulating the given transformation of all values using the given reducer to combine values, and the given basis as an identity value.

## Uses of IntBinaryOperator in java.util.concurrent.atomic

Methods in java.util.concurrent.atomic with parameters of type IntBinaryOperator
Modifier and Type
Method
Description
`final int`
AtomicInteger.`accumulateAndGet(int x, IntBinaryOperator accumulatorFunction)`
Atomically updates (with memory effects as specified by `VarHandle.compareAndSet(java.lang.Object...)`) the current value with the results of applying the given function to the current and given values, returning the updated value.
`final int`
AtomicIntegerArray.`accumulateAndGet(int i, int x, IntBinaryOperator accumulatorFunction)`
Atomically updates (with memory effects as specified by `VarHandle.compareAndSet(java.lang.Object...)`) the element at index `i` with the results of applying the given function to the current and given values, returning the updated value.
`final int`
AtomicIntegerFieldUpdater.`accumulateAndGet(T obj, int x, IntBinaryOperator accumulatorFunction)`
Atomically updates (with memory effects as specified by `VarHandle.compareAndSet(java.lang.Object...)`) the field of the given object managed by this updater with the results of applying the given function to the current and given values, returning the updated value.
`final int`
AtomicInteger.`getAndAccumulate(int x, IntBinaryOperator accumulatorFunction)`
Atomically updates (with memory effects as specified by `VarHandle.compareAndSet(java.lang.Object...)`) the current value with the results of applying the given function to the current and given values, returning the previous value.
`final int`
AtomicIntegerArray.`getAndAccumulate(int i, int x, IntBinaryOperator accumulatorFunction)`
Atomically updates (with memory effects as specified by `VarHandle.compareAndSet(java.lang.Object...)`) the element at index `i` with the results of applying the given function to the current and given values, returning the previous value.
`final int`
AtomicIntegerFieldUpdater.`getAndAccumulate(T obj, int x, IntBinaryOperator accumulatorFunction)`
Atomically updates (with memory effects as specified by `VarHandle.compareAndSet(java.lang.Object...)`) the field of the given object managed by this updater with the results of applying the given function to the current and given values, returning the previous value.

## Uses of IntBinaryOperator in java.util.stream

Methods in java.util.stream with parameters of type IntBinaryOperator
Modifier and Type
Method
Description
`int`
IntStream.`reduce(int identity, IntBinaryOperator op)`
Performs a reduction on the elements of this stream, using the provided identity value and an associative accumulation function, and returns the reduced value.
`OptionalInt`
IntStream.`reduce(IntBinaryOperator op)`
Performs a reduction on the elements of this stream, using an associative accumulation function, and returns an `OptionalInt` describing the reduced value, if any.